| <html> | |
| <style> | |
| div { | |
| color: red; | |
| } | |
| div::selection { | |
| background-color: lime; | |
| } | |
| </style> | |
| <div id="foo">Hello world</div> | |
| <script> | |
| document.write('<p>The number of matched rules is: ' + | |
| document.defaultView.getMatchedCSSRules(document.getElementById('foo'), '').length); | |
| </script> |